Lawrence Whitaker
> The city extends underground and is, perhaps, much larger than
> the surface area. Estimate about 10,000 inhabitants all told
> beneath ground level. There's obviously migration between the
> over and under city, but only for those beloved of the Zistorites
> to be accorded such privilege.
Fritz Lang's Metropolis?
http://en.wikipedia.org/wiki/Metropolis_%28film%29
Choose your soundtrack, but use the scenery...